Design of directional light source for blue phase LCD

Che Yen Lin; King-Lien Lee; Po-Yu Tsai; Jie-Wen Chen

doi:10.1117/12.2071649

5 November 2014 Design of directional light source for blue phase LCD

Che Yen Lin, King-Lien Lee, Po-Yu Tsai, Jie-Wen Chen

Proceedings Volume 9272, Optical Design and Testing VI; 927205 (2014) https://doi.org/10.1117/12.2071649
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

We propose a light guide plate of an oblique incident light source for a vertical- field-switching blue phase liquid crystal display. The LGP consists of a designed microstructure bottom surface and other specially microstructure top surface. We simulated the LGP of a backlight system by optical software (TraceProTM) and the performance of the BPLCD by liquid crystal software (TechWiz). The result shows that the output rays mainly emit at 59° and the uniformity is 78.84%. The designed applicable light guide plate successfully increase the angles of oblique light source and provide a better uniformity of illumination for a vertical-field-switching blue phase liquid crystal display.

Citation Download Citation

Che Yen Lin, King-Lien Lee, Po-Yu Tsai, and Jie-Wen Chen "Design of directional light source for blue phase LCD", Proc. SPIE 9272, Optical Design and Testing VI, 927205 (5 November 2014); https://doi.org/10.1117/12.2071649

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